| Flutgraben | |
| Date Began: | 1890 |
| Date Completed: | 1898 |
| Location: | Thuringia |
| Length Mi: | 5.4 |
| Start Point: | River Gera in Erfurt |
| End Point: | River Gera in Erfurt |
The Flutgraben is a canal in Erfurt, Thuringia, Germany. It is a flood control channel, created between 1890 and 1898 in order to prevent flooding of the river Gera in the city centre of Erfurt.